Dull
Dull adjective - Not having or showing an ability to absorb ideas readily.
Usage example: the importance of the discovery was lost on the dull minds of his colleagues
Knowledgeable is an antonym for dull.
Knowledgeable
Knowledgeable adjective - Having information especially as a result of study or experience.
Nearby Word: knowledge
Both words in one sentence
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Most prominent in Sonic Adventure where the emeralds are drained by Chaos and turn a dull black color; when all seemed lost, someone knowledgeable about the emeralds tells the heroes that only the negative energy was absorbed and they can still use the positive energy.
Source: Yin-Yang Bomb
Cite this Source
Knowledgeable and Dull. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/dull/knowledgeable
Dull & Knowledgeable. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/dull/knowledgeable>.
Knowledgeable or Dull. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/dull/knowledgeable.
Google Ngram Viewer shows how "dull" and "knowledgeable" have occurred on timeline